Fig. 1. Flow chart of designing the customization of broadband speckle modulation

Fig. 2. Customizing speckles with different statistical distribution in the wavelength range of 500-525 nm. (a1) Sub-Rayleigh and (a2) super-Rayleigh speckle patterns at modulated wavelengths; change in (b1) sub-Rayleigh and (b2) super-Rayleigh speckle contrast with wavelength

Fig. 3. Customizing super-Rayleigh speckles with different modulated wavelength numbers in the wavelength range of 500-700 nm. (a)-(c) Speckle patterns at different wavelengths when the modulation wavelength number is 1, 5, and 21; (d) changes in speckle contrast with wavelength under different modulation wavelength numbers

Fig. 4. Customizing multi-wavelength super-Rayleigh speckles in simulation and experiment. (a) Simulated super-Rayleigh speckle patterns at modulated wavelengths; (b) super-Rayleigh speckle patterns at modulated wavelengths generated by a phase modulator in experiment; (c) change in speckle contrast with wavelength

Fig. 5. Schematic of single-shot multi-color fluorscence super-resolution microscopy ghost imaging system

Fig. 6. Simulation results of multi-color imaging. (a1)-(a3) Ground truth of fluorescent microspheres with wavelengths of 521, 603, and 690 nm, respectively; (a4) three-color target (red, green, and blue represent 521, 603, and 690 nm fluorescent microspheres); (b1)-(b4) reconstructed results of three-color fluorescent microspheres using multi-wavelengths super-Rayleigh speckle modulation when the detection signal-to-noise ratio is 8.32 dB

Fig. 7. Comparison of simulation reconstruction results between Rayleigh and super-Rayleigh speckle modulation under different photon numbers. (a)(b) Reconstructed results by Rayleigh and super-Rayleigh speckle modulation under different photons numbers; (c)(d) SSIM and PSNR value of the reconstructed three-color object using two speckle modulation ways under different photons numbers